A minor fire was reported onboard Indian Naval Ship Delhi, a guided missile destroyer, which was parked in the Mumbai dockyard.
"A minor fire incident occurred onboard INS Delhi in the harbour at about 6.15 AM on June 6," a defence release said.
The release said that the fire was quickly brought under control by the ship's crew using its onboard systems.
The navy has ordered an inquiry to find out the cause of the fire and the extent of damage, release said.
As a safety measure, fire tenders were called but were not required, the release said.